"I've already seen the music video," you may say. "Why should I feel compelled to watch the live version?" Well, as you may recall, Sia is not in the music video. But! Sia is onstage for the live version. We never see her face, but she's there. And her physical presence adds an interesting element to the overall performance: If the video depicts the struggles of addiction—quite possibly Sia's own past struggles—that makes Ziegler and Sia's interactions peppered throughout the Ellen performance all the more haunting. Is Sia "battling" Ziegler? That's how I interpreted it, but I could be wrong. What I do know for sure: the performance will punch ya in the gut.

Here are the top 10 moments that gave me goosebumps on goosebumps on goosebumps: